1 3 5 15.
The factors of 15a are 1, 3, 5, 15, and 'a' .
No.
it is 2 and 3
208 is 2x2x2x2x13
93 = 3 × 31
Prime factorizations are expressions of numbers as products of prime factors. The prime factorization of 30 is 2 x 3 x 5.
2 x 13
At least two.
72
233357 is a prime number.
An unlimited number.
409 is a prime number.